
/*
 * value: 随机位数
*/
const getRandomNumber=function(value){
	var chars = ['0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'];
	var nums="";
	for(var i=0;i<value;i++){
		var id = parseInt(Math.random()*61);
		nums+=chars[id];
	}
	return nums;
}

export default{
 getRandomNumber
}
